A:AnswerNo it is just an upscale, not a true 4K player.4K movies will not play. Blue rays look great with a 4K displace, it up-converts the signal to 4K.
A:AnswerNot sure if it cuts off after an extended period of time or as I usually turn it off after use. It does have a green indicator light when it is on.
A:AnswerHi dave, No, this unit only supports Region A (BD) and Region 1 (DVD). Kindly check on this link of more information:
https://docs.sony.com/release//specs/BDPS6700_mksp.pdf
~Ralph